1224072472 has 32 divisors (see below), whose sum is σ = 2626283520. Its totient is φ = 523948320.

The previous prime is 1224072467. The next prime is 1224072481. The reversal of 1224072472 is 2742704221.

It is a super-4 number, since 4×1224072472⁴ (a number of 37 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33097 + ... + 59527.

It is an arithmetic number, because the mean of its divisors is an integer number (82071360).

Almost surely, 2^1224072472 is an apocalyptic number.

It is an amenable number.

1224072472 is an abundant number, since it is smaller than the sum of its proper divisors (1402211048).

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

1224072472 is a wasteful number, since it uses less digits than its factorization.

1224072472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27271 (or 27267 counting only the distinct ones).

The product of its (nonzero) digits is 12544, while the sum is 31.

The square root of 1224072472 is about 34986.7470908628. The cubic root of 1224072472 is about 1069.7173597665.

Adding to 1224072472 its reverse (2742704221), we get a palindrome (3966776693).

The spelling of 1224072472 in words is "one billion, two hundred twenty-four million, seventy-two thousand, four hundred seventy-two".