22220734 has 16 divisors (see below), whose sum is σ = 35443008. Its totient is φ = 10412032.

The previous prime is 22220713. The next prime is 22220741. The reversal of 22220734 is 43702222.

It is a super-2 number, since 2×22220734² = 987522038997512, which contains 22 as substring.

It is a congruent number.

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, 7467 + ... + 10009.

It is an arithmetic number, because the mean of its divisors is an integer number (2215188).

Almost surely, 2^22220734 is an apocalyptic number.

22220734 is a deficient number, since it is larger than the sum of its proper divisors (13222274).

22220734 is a wasteful number, since it uses less digits than its factorization.

22220734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2819.

The product of its (nonzero) digits is 1344, while the sum is 22.

The square root of 22220734 is about 4713.8873554636. The cubic root of 22220734 is about 281.1379455510.

Adding to 22220734 its reverse (43702222), we get a palindrome (65922956).

The spelling of 22220734 in words is "twenty-two million, two hundred twenty thousand, seven hundred thirty-four".