22077234 has 24 divisors (see below), whose sum is σ = 49128300. Its totient is φ = 7159968.

The previous prime is 22077193. The next prime is 22077241. The reversal of 22077234 is 43277022.

It can be written as a sum of positive squares in 2 ways, for example, as 15186609 + 6890625 = 3897^2 + 2625^2 .

It is a super-2 number, since 2×22077234² = 974808522181512, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 22077198 and 22077207.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 15909 + ... + 17240.

Almost surely, 2^22077234 is an apocalyptic number.

22077234 is an abundant number, since it is smaller than the sum of its proper divisors (27051066).

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

22077234 is a wasteful number, since it uses less digits than its factorization.

22077234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33194 (or 33191 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 27.

The square root of 22077234 is about 4698.6417186246. The cubic root of 22077234 is about 280.5314481408.

The spelling of 22077234 in words is "twenty-two million, seventy-seven thousand, two hundred thirty-four".