1358222457 has 16 divisors (see below), whose sum is σ = 1856973888. Its totient is φ = 882520320.

The previous prime is 1358222441. The next prime is 1358222471. The reversal of 1358222457 is 7542228531.

It is not a de Polignac number, because 1358222457 - 2⁴ = 1358222441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1358222477) 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, 133213 + ... + 143045.

It is an arithmetic number, because the mean of its divisors is an integer number (116060868).

Almost surely, 2^1358222457 is an apocalyptic number.

It is an amenable number.

1358222457 is a deficient number, since it is larger than the sum of its proper divisors (498751431).

1358222457 is a wasteful number, since it uses less digits than its factorization.

1358222457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11000.

The product of its digits is 134400, while the sum is 39.

The square root of 1358222457 is about 36854.0697481296. The cubic root of 1358222457 is about 1107.4487457660.

The spelling of 1358222457 in words is "one billion, three hundred fifty-eight million, two hundred twenty-two thousand, four hundred fifty-seven".