12220070 has 16 divisors (see below), whose sum is σ = 22092480. Its totient is φ = 4866624.

The previous prime is 12220037. The next prime is 12220081. The reversal of 12220070 is 7002221.

It is a super-2 number, since 2×12220070² = 298660221609800, 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, 167 + ... + 4946.

It is an arithmetic number, because the mean of its divisors is an integer number (1380780).

Almost surely, 2^12220070 is an apocalyptic number.

12220070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12220070 is a deficient number, since it is larger than the sum of its proper divisors (9872410).

12220070 is a wasteful number, since it uses less digits than its factorization.

12220070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5359.

The product of its (nonzero) digits is 56, while the sum is 14.

The square root of 12220070 is about 3495.7216708428. The cubic root of 12220070 is about 230.3339195099. Note that the first 3 decimals are identical.

Adding to 12220070 its reverse (7002221), we get a palindrome (19222291).

The spelling of 12220070 in words is "twelve million, two hundred twenty thousand, seventy".