22070860 has 24 divisors (see below), whose sum is σ = 52970400. Its totient is φ = 7567104.

The previous prime is 22070857. The next prime is 22070861. The reversal of 22070860 is 6807022.

It is a super-2 number, since 2×22070860² = 974245722279200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22070861) 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, 78685 + ... + 78964.

It is an arithmetic number, because the mean of its divisors is an integer number (2207100).

Almost surely, 2^22070860 is an apocalyptic number.

22070860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22070860 is an abundant number, since it is smaller than the sum of its proper divisors (30899540).

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

22070860 is a wasteful number, since it uses less digits than its factorization.

22070860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157665 (or 157663 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 22070860 is about 4697.9633885334. The cubic root of 22070860 is about 280.5044477843.

Adding to 22070860 its reverse (6807022), we get a palindrome (28877882).

The spelling of 22070860 in words is "twenty-two million, seventy thousand, eight hundred sixty".