1253916722 has 16 divisors (see below), whose sum is σ = 1929692160. Its totient is φ = 610762992.

The previous prime is 1253916721. The next prime is 1253916739. The reversal of 1253916722 is 2276193521.

It is a super-2 number, since 2×1253916722² = 3144614291422450568, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1253916721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13904 + ... + 51972.

It is an arithmetic number, because the mean of its divisors is an integer number (120605760).

Almost surely, 2^1253916722 is an apocalyptic number.

1253916722 is a deficient number, since it is larger than the sum of its proper divisors (675775438).

1253916722 is a wasteful number, since it uses less digits than its factorization.

1253916722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38497.

The product of its digits is 45360, while the sum is 38.

The square root of 1253916722 is about 35410.6865508140. The cubic root of 1253916722 is about 1078.3412814927.

The spelling of 1253916722 in words is "one billion, two hundred fifty-three million, nine hundred sixteen thousand, seven hundred twenty-two".