44622997 has 2 divisors, whose sum is σ = 44622998. Its totient is φ = 44622996.

The previous prime is 44622961. The next prime is 44623049. The reversal of 44622997 is 79922644.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40436881 + 4186116 = 6359^2 + 2046^2 .

It is a cyclic number.

It is not a de Polignac number, because 44622997 - 2⁷ = 44622869 is a prime.

It is a super-2 number, since 2×44622997² = 3982423722524018, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44622917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22311498 + 22311499.

It is an arithmetic number, because the mean of its divisors is an integer number (22311499).

Almost surely, 2^44622997 is an apocalyptic number.

It is an amenable number.

44622997 is a deficient number, since it is larger than the sum of its proper divisors (1).

44622997 is an equidigital number, since it uses as much as digits as its factorization.

44622997 is an evil number, because the sum of its binary digits is even.

The product of its digits is 217728, while the sum is 43.

The square root of 44622997 is about 6680.0446854793. The cubic root of 44622997 is about 354.6932402585.

The spelling of 44622997 in words is "forty-four million, six hundred twenty-two thousand, nine hundred ninety-seven".