1542947022 has 32 divisors (see below), whose sum is σ = 3609235200. Its totient is φ = 487246104.

The previous prime is 1542947017. The next prime is 1542947023. The reversal of 1542947022 is 2207492451.

1542947022 is a `hidden beast` number, since 1 + 542 + 94 + 7 + 0 + 22 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1542947023) 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, 750898 + ... + 752949.

It is an arithmetic number, because the mean of its divisors is an integer number (112788600).

Almost surely, 2^1542947022 is an apocalyptic number.

1542947022 is an abundant number, since it is smaller than the sum of its proper divisors (2066288178).

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

1542947022 is a wasteful number, since it uses less digits than its factorization.

1542947022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1503877 (or 1503871 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 1542947022 is about 39280.3643313043. The cubic root of 1542947022 is about 1155.5365090542.

The spelling of 1542947022 in words is "one billion, five hundred forty-two million, nine hundred forty-seven thousand, twenty-two".