222970551 has 16 divisors (see below), whose sum is σ = 300029184. Its totient is φ = 147285824.

The previous prime is 222970541. The next prime is 222970571. The reversal of 222970551 is 155079222.

It is a happy number.

222970551 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 222970551 - 2⁵ = 222970519 is a prime.

It is a super-2 number, since 2×222970551² = 99431733226487202, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222970511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 233491 + ... + 234443.

It is an arithmetic number, because the mean of its divisors is an integer number (18751824).

Almost surely, 2^222970551 is an apocalyptic number.

222970551 is a deficient number, since it is larger than the sum of its proper divisors (77058633).

222970551 is a wasteful number, since it uses less digits than its factorization.

222970551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1590.

The product of its (nonzero) digits is 12600, while the sum is 33.

The square root of 222970551 is about 14932.1984650620. The cubic root of 222970551 is about 606.3860043330.

The spelling of 222970551 in words is "two hundred twenty-two million, nine hundred seventy thousand, five hundred fifty-one".