253012722 has 32 divisors (see below), whose sum is σ = 521748864. Its totient is φ = 81744000.

The previous prime is 253012699. The next prime is 253012723. The reversal of 253012722 is 227210352.

It is a happy number.

It is a fibodiv number, since the Fibonacci-like sequence with seeds 2530 and 12722 contains 253012722 itself.

It is a junction number, because it is equal to n+sod(n) for n = 253012692 and 253012701.

It is not an unprimeable number, because it can be changed into a prime (253012723) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35347 + ... + 41897.

It is an arithmetic number, because the mean of its divisors is an integer number (16304652).

Almost surely, 2^253012722 is an apocalyptic number.

253012722 is an abundant number, since it is smaller than the sum of its proper divisors (268736142).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

253012722 is a wasteful number, since it uses less digits than its factorization.

253012722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6754.

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 253012722 is about 15906.3736282033. The cubic root of 253012722 is about 632.4809553338.

The spelling of 253012722 in words is "two hundred fifty-three million, twelve thousand, seven hundred twenty-two".