1022472244440 has 96 divisors (see below), whose sum is σ = 3325893451920. Its totient is φ = 272424708864.

The previous prime is 1022472244393. The next prime is 1022472244441. The reversal of 1022472244440 is 444422742201.

1022472244440 is a `hidden beast` number, since 102 + 2 + 4 + 72 + 2 + 44 + 440 = 666.

It is a super-2 number, since 2×1022472244440² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 1022472244395 and 1022472244404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022472244441) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 802387 + ... + 1639746.

Almost surely, 2^{1022472244440} is an apocalyptic number.

1022472244440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1022472244440 is an abundant number, since it is smaller than the sum of its proper divisors (2303421207480).

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

1022472244440 is a wasteful number, since it uses less digits than its factorization.

1022472244440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2443313 (or 2443306 counting only the distinct ones).

The product of its (nonzero) digits is 114688, while the sum is 36.

Adding to 1022472244440 its reverse (444422742201), we get a palindrome (1466894986641).

The spelling of 1022472244440 in words is "one trillion, twenty-two billion, four hundred seventy-two million, two hundred forty-four thousand, four hundred forty".