1422550420 has 12 divisors (see below), whose sum is σ = 2987355924. Its totient is φ = 569020160.

The previous prime is 1422550399. The next prime is 1422550469. The reversal of 1422550420 is 240552241.

It can be written as a sum of positive squares in 2 ways, for example, as 382358916 + 1040191504 = 19554^2 + 32252^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35563741 + ... + 35563780.

It is an arithmetic number, because the mean of its divisors is an integer number (248946327).

Almost surely, 2^1422550420 is an apocalyptic number.

1422550420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1422550420 is an abundant number, since it is smaller than the sum of its proper divisors (1564805504).

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

1422550420 is a wasteful number, since it uses less digits than its factorization.

1422550420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71127530 (or 71127528 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 1422550420 is about 37716.7127411709. The cubic root of 1422550420 is about 1124.6633843929.

The spelling of 1422550420 in words is "one billion, four hundred twenty-two million, five hundred fifty thousand, four hundred twenty".