22212231240919 has 2 divisors, whose sum is σ = 22212231240920. Its totient is φ = 22212231240918.

The previous prime is 22212231240851. The next prime is 22212231241061. The reversal of 22212231240919 is 91904213221222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22212231240919 - 2¹³ = 22212231232727 is a prime.

It is a super-2 number, since 2×22212231240919² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22212231240319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11106115620459 + 11106115620460.

It is an arithmetic number, because the mean of its divisors is an integer number (11106115620460).

Almost surely, 2^{22212231240919} is an apocalyptic number.

22212231240919 is a deficient number, since it is larger than the sum of its proper divisors (1).

22212231240919 is an equidigital number, since it uses as much as digits as its factorization.

22212231240919 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62208, while the sum is 40.

The spelling of 22212231240919 in words is "twenty-two trillion, two hundred twelve billion, two hundred thirty-one million, two hundred forty thousand, nine hundred nineteen".