2255402 has 4 divisors (see below), whose sum is σ = 3383106. Its totient is φ = 1127700.

The previous prime is 2255399. The next prime is 2255411. The reversal of 2255402 is 2045522.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2045522 = 2 ⋅1022761.

It can be written as a sum of positive squares in only one way, i.e., 2253001 + 2401 = 1501^2 + 49^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 563849 + ... + 563852.

2^2255402 is an apocalyptic number.

2255402 is a deficient number, since it is larger than the sum of its proper divisors (1127704).

2255402 is a wasteful number, since it uses less digits than its factorization.

2255402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1127703.

The product of its (nonzero) digits is 800, while the sum is 20.

The square root of 2255402 is about 1501.7995871620. The cubic root of 2255402 is about 131.1418543779.

The spelling of 2255402 in words is "two million, two hundred fifty-five thousand, four hundred two".