1455222551 has 8 divisors (see below), whose sum is σ = 1481343360. Its totient is φ = 1429150392.

The previous prime is 1455222499. The next prime is 1455222557. The reversal of 1455222551 is 1552225541.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1455222551 - 2⁶ = 1455222487 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1455222557) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51116 + ... + 74318.

It is an arithmetic number, because the mean of its divisors is an integer number (185167920).

Almost surely, 2^1455222551 is an apocalyptic number.

1455222551 is a deficient number, since it is larger than the sum of its proper divisors (26120809).

1455222551 is a wasteful number, since it uses less digits than its factorization.

1455222551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24325.

The product of its digits is 20000, while the sum is 32.

The square root of 1455222551 is about 38147.3793464243. The cubic root of 1455222551 is about 1133.2084529548.

The spelling of 1455222551 in words is "one billion, four hundred fifty-five million, two hundred twenty-two thousand, five hundred fifty-one".