1022942190 has 32 divisors (see below), whose sum is σ = 2599477920. Its totient is φ = 256738304.

The previous prime is 1022942183. The next prime is 1022942203. The reversal of 1022942190 is 912492201.

It is a happy number.

It is a super-2 number, since 2×1022942190² = 2092821448163992200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1002375 + ... + 1003394.

It is an arithmetic number, because the mean of its divisors is an integer number (81233685).

Almost surely, 2^1022942190 is an apocalyptic number.

1022942190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1022942190 is an abundant number, since it is smaller than the sum of its proper divisors (1576535730).

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

1022942190 is a wasteful number, since it uses less digits than its factorization.

1022942190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2005796.

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 1022942190 is about 31983.4674480426. The cubic root of 1022942190 is about 1007.5896481790.

The spelling of 1022942190 in words is "one billion, twenty-two million, nine hundred forty-two thousand, one hundred ninety".