1620652222 has 16 divisors (see below), whose sum is σ = 2778797952. Its totient is φ = 694431000.

The previous prime is 1620652183. The next prime is 1620652249. The reversal of 1620652222 is 2222560261.

It is a super-3 number, since 3×1620652222³ (a number of 29 digits) contains 333 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, 106597 + ... + 120847.

It is an arithmetic number, because the mean of its divisors is an integer number (173674872).

Almost surely, 2^1620652222 is an apocalyptic number.

1620652222 is a deficient number, since it is larger than the sum of its proper divisors (1158145730).

1620652222 is a wasteful number, since it uses less digits than its factorization.

1620652222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22383.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 1620652222 is about 40257.3250725877. The cubic root of 1620652222 is about 1174.6178861910.

The spelling of 1620652222 in words is "one billion, six hundred twenty million, six hundred fifty-two thousand, two hundred twenty-two".