22700722 has 16 divisors (see below), whose sum is σ = 37778400. Its totient is φ = 10143040.

The previous prime is 22700719. The next prime is 22700753.

22700722 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 22700693 and 22700702.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7447 + ... + 10042.

It is an arithmetic number, because the mean of its divisors is an integer number (2361150).

Almost surely, 2^22700722 is an apocalyptic number.

22700722 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22700722 is a deficient number, since it is larger than the sum of its proper divisors (15077678).

22700722 is a wasteful number, since it uses less digits than its factorization.

22700722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17561.

The product of its (nonzero) digits is 784, while the sum is 22.

The square root of 22700722 is about 4764.5274687003. The cubic root of 22700722 is about 283.1478207382.

The spelling of 22700722 in words is "twenty-two million, seven hundred thousand, seven hundred twenty-two".