22276738 has 16 divisors (see below), whose sum is σ = 37439424. Its totient is φ = 9851760.

The previous prime is 22276733. The next prime is 22276739. The reversal of 22276738 is 83767222.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a junction number, because it is equal to n+sod(n) for n = 22276697 and 22276706.

It is not an unprimeable number, because it can be changed into a prime (22276733) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12870 + ... + 14497.

It is an arithmetic number, because the mean of its divisors is an integer number (2339964).

Almost surely, 2^22276738 is an apocalyptic number.

22276738 is a deficient number, since it is larger than the sum of its proper divisors (15162686).

22276738 is a wasteful number, since it uses less digits than its factorization.

22276738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27417.

The product of its digits is 56448, while the sum is 37.

The square root of 22276738 is about 4719.8239373943. The cubic root of 22276738 is about 281.3739359626.

The spelling of 22276738 in words is "twenty-two million, two hundred seventy-six thousand, seven hundred thirty-eight".