1225836902 has 8 divisors (see below), whose sum is σ = 1902160800. Its totient is φ = 591783304.

The previous prime is 1225836883. The next prime is 1225836919. The reversal of 1225836902 is 2096385221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1225836902² = 3005352220609915208, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10567502 + ... + 10567617.

It is an arithmetic number, because the mean of its divisors is an integer number (237770100).

Almost surely, 2^1225836902 is an apocalyptic number.

1225836902 is a deficient number, since it is larger than the sum of its proper divisors (676323898).

1225836902 is a wasteful number, since it uses less digits than its factorization.

1225836902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21135150.

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 1225836902 is about 35011.9537015574. The cubic root of 1225836902 is about 1070.2310916711.

The spelling of 1225836902 in words is "one billion, two hundred twenty-five million, eight hundred thirty-six thousand, nine hundred two".