1022623672 has 16 divisors (see below), whose sum is σ = 2191336560. Its totient is φ = 438267264.

The previous prime is 1022623571. The next prime is 1022623673. The reversal of 1022623672 is 2763262201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022623673) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9130513 + ... + 9130624.

It is an arithmetic number, because the mean of its divisors is an integer number (136958535).

Almost surely, 2^1022623672 is an apocalyptic number.

It is an amenable number.

1022623672 is an abundant number, since it is smaller than the sum of its proper divisors (1168712888).

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

1022623672 is a wasteful number, since it uses less digits than its factorization.

1022623672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18261150 (or 18261146 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 1022623672 is about 31978.4876440397. The cubic root of 1022623672 is about 1007.4850581188.

Adding to 1022623672 its reverse (2763262201), we get a palindrome (3785885873).

The spelling of 1022623672 in words is "one billion, twenty-two million, six hundred twenty-three thousand, six hundred seventy-two".