1022942650 has 24 divisors (see below), whose sum is σ = 1964052864. Its totient is φ = 395977200.

The previous prime is 1022942647. The next prime is 1022942659. The reversal of 1022942650 is 562492201.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is not an unprimeable number, because it can be changed into a prime (1022942659) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 328432 + ... + 331531.

It is an arithmetic number, because the mean of its divisors is an integer number (81835536).

Almost surely, 2^1022942650 is an apocalyptic number.

1022942650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1022942650 is a deficient number, since it is larger than the sum of its proper divisors (941110214).

1022942650 is a wasteful number, since it uses less digits than its factorization.

1022942650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 660006 (or 660001 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 1022942650 is about 31983.4746392571. The cubic root of 1022942650 is about 1007.5897992110.

The spelling of 1022942650 in words is "one billion, twenty-two million, nine hundred forty-two thousand, six hundred fifty".